觉得前面那个Amazon Cash $5费事的朋友可以来撸这个。在12月2日之前首次登录Amazon App即得$5 credit（credit会在2018年1月1日失效）。这个算容易的吧？看来Amazon小号也是有必要的。。。
Terms and Conditions：
- This is a limited time offer. This offer is valid from 12:01 a.m. (PT) on November 17, 2017, until the earlier of 11:59 p.m. (PT) December 2, 2017, or when all promotional codes are claimed.
- This offer is limited to one code per eligible customer and account.
- Recipients will receive a code valid for $5 CAD off a future purchase on Amazon.ca of $5.01 or more within 5 days after their first app sign-in. The e-mail will also provide instructions on how to redeem the promotional code.
- Promotional code expires at 11:59 p.m. (PT) December 31, 2017.
- Offer may not be combined with other offers.
- Code must be added to Shopping Cart, and offer will be reflected at Checkout.
- Code only applies to products sold by Amazon.ca, not a third party or other Amazon entity (look for "sold by Amazon.ca" on the content detail page), or digital content sold by Amazon Digital Services LLC (other than certain digital content). Products sold by third party sellers that are "fulfilled by Amazon.ca" or "Prime Eligible" will not qualify.
- The maximum benefit you may receive from this offer is $5.00 CAD.
- This offer only applies to the Amazon Shopping App and Underground App and not any other app created or distributed by Amazon or its affiliates.
- This offer is non-transferable and may not be resold.
- Amazon reserves the right to modify or cancel the offer at any time.
- If you violate any of these terms, the offer will be invalid.
- If any of the products or content related to this offer are returned, your refund will equal the amount you paid for the product or content, subject to applicable refund policies.
- Digital content and services may only be available to customers located in Canada and are subject to the terms and conditions of Amazon Digital Services LLC.
- Shipping charges and taxes may apply to discounted and free promotional items.
- Items must be purchased in a single order and shipped at the same speed to a single address.
- Offer discount will be allocated proportionally among all promotional items in your order.
- Unless an Amazon Gift Card is the stated benefit of the promotion, promotional codes (including those placed directly in accounts) may not be redeemed for Amazon Gift Cards.